Add 'apps/fabric/' from commit '5e2f90537f5b54adc94c58b58512a05b058fa804'

git-subtree-dir: apps/fabric
git-subtree-mainline: 72d7a60124b4ee7e31912fe7ed3a50bbc5cb9f64
git-subtree-split: 5e2f90537f5b54adc94c58b58512a05b058fa804

1 files changed, 37 insertions, 0 deletions

diff --git a/apps/fabric/src/fabric_dict.erl b/apps/fabric/src/fabric_dict.erl
new file mode 100644
index 00000000..42d46b34
--- /dev/null
+++ b/apps/fabric/src/fabric_dict.erl
@@ -0,0 +1,37 @@
+-module(fabric_dict).
+-compile(export_all).
+
+% Instead of ets, let's use an ordered keylist. We'll need to revisit if we
+% have >> 100 shards, so a private interface is a good idea. - APK June 2010
+
+init(Keys, InitialValue) ->
+    orddict:from_list([{Key, InitialValue} || Key <- Keys]).
+
+
+decrement_all(Dict) ->
+    [{K,V-1} || {K,V} <- Dict].
+
+store(Key, Value, Dict) ->
+    orddict:store(Key, Value, Dict).
+
+erase(Key, Dict) ->
+    orddict:erase(Key, Dict).
+
+update_counter(Key, Incr, Dict0) ->
+    orddict:update_counter(Key, Incr, Dict0).
+
+
+lookup_element(Key, Dict) ->
+    couch_util:get_value(Key, Dict).
+
+size(Dict) ->
+    orddict:size(Dict).
+
+any(Value, Dict) ->
+    lists:keymember(Value, 2, Dict).
+    
+filter(Fun, Dict) ->
+    orddict:filter(Fun, Dict).
+
+fold(Fun, Acc0, Dict) ->
+    orddict:fold(Fun, Acc0, Dict).